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3 years ago

7/15+3/10= simplest form

Mathematics

2 answers:

vodomira [7]3 years ago

4 0

The have to have same denominator .

so 2(7/15)+3(3/10)

14/30+9/30

The answer is 23/30

beks73 [17]3 years ago

3 0

$\frac{7}{15} + \frac{3}{10} = \frac{70}{150} + \frac{45}{150} = \frac{115}{150} = \frac{23}{30}$

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s344n2d4d5 [400]

Answer:

a) 4:3

b) 7:3

Step-by-step explanation:

No. of roses= 8

No. of daisies = 6

Total no. of flowers = 14

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8/6

= 4/3

= 4:3

b) Ratio of all flowers to daisies = No. of all flowers/ No. of daisies

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3 years ago

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4 years ago

Use the Associative Property of Addition to write an expression equivalent to (u + 2) + 8.

Alla [95]

Answer:

Step-by-step explanation:

First of, associative property of addition is rearranging the parenthesis and not moving the numbers

A is incorrect because you can not take out the parenthesis in the equation

B is inccorrect because they change the position of the number

C is incorrect because they change the position of number

D is correct. It only change the position of the parenthesis

7 0

3 years ago

A bag has 13 marbles in it. Seven of them are green, two of them are red, three of them are yellow, and one of them is blue. If

Inessa [10]

Answer:

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1. marbles that are not red/ total marbles

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3 years ago

M is the midpoint of RS. R has coordinates (-2,-3) and M has coordinates (1,0). Find the coordinates of S.

Marta_Voda [28]

Answer:

$(4,3)$

Step-by-step explanation:

Given

$R = (-2,-3)$

$M = (1,0)$

Required

Determine the coordinates of S

Midpoint is calculated as:

$M(x,y) = \frac{1}{2}(x_1 +x_2,y_1+y_2)$

Where:

$(x,y) = (1,0)$

$(x_1,y_1) = (-2,-3)$

Substitute these values in the above formula:

$(1,0) = \frac{1}{2}(-2 + x_2,-3+y_2)$

Multiply through by 2

$2 * (1,0) = 2 * \frac{1}{2}(-2 + x_2,-3+y_2)$

$(2,0) = (-2 + x_2,-3+y_2)$

By direct comparison:

$2 = -2 + x_2$ and $0 = -3 + y_2$

Solving for x2

$2 = -2 + x_2$

$x_2 = 2 + 2$

$x_2 = 4$

Solving for y2

$0 = -3 + y_2$

$y_2 = 0 + 3$

$y_2 = 3$

Hence, the coordinates of S is: $(4,3)$

5 0

3 years ago